@article{17869,
  author = {Barclay J. and Hillis Graham and Ford I. and Miller B. and Dick S. and Dennekamp M. and Ayres J. and Seaton A.},
  title = {A panel study of air pollution in subjects with heart failure: negative results in treated patients},
  year = {2009},
  journal = {Occupational and Environmental Medicine},
  volume = {66},
  pages = {325-34.},
  language = {eng},
}